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2014/10/16 ¤W¤È 08:23:30

android Programming Glossary: scalefactor

Android - zoom in/out RelativeLayout with spread/pinch

http://stackoverflow.com/questions/10013906/android-zoom-in-out-relativelayout-with-spread-pinch

canvas canvas.restore public void scale float scaleFactor float pivotX float pivotY mScaleFactor scaleFactor mPivotX pivotX.. float scaleFactor float pivotX float pivotY mScaleFactor scaleFactor mPivotX pivotX mPivotY pivotY this.invalidate public void restore..

Detect 7 inch and 10 inch tablet programmatically

http://stackoverflow.com/questions/15055458/detect-7-inch-and-10-inch-tablet-programmatically

on the Android Design Resources for mdpi hdpi etc. float scaleFactor metrics.density From this result we can calculate the amount.. for a certain height or width. float widthDp widthPixels scaleFactor float heightDp heightPixels scaleFactor The result you get from.. widthPixels scaleFactor float heightDp heightPixels scaleFactor The result you get from this will help you decide what type..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

d double oldWidth bd.getBitmap .getWidth double scaleFactor width oldWidth int newHeight int d.getIntrinsicHeight scaleFactor.. width oldWidth int newHeight int d.getIntrinsicHeight scaleFactor int newWidth int oldWidth scaleFactor Drawable drawable new.. d.getIntrinsicHeight scaleFactor int newWidth int oldWidth scaleFactor Drawable drawable new BitmapDrawable cxt.getResources MainScreen.getResizedBitmap..

Rotate MapView in Android

http://stackoverflow.com/questions/1830391/rotate-mapview-in-android

w this.getWidth final float h this.getHeight final float scaleFactor float Math.sqrt h h w w Math.min w h final float centerX w.. h 2.0f canvas.rotate bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw canvas canvas.restore.. bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw canvas canvas.restore ..

Memory efficient image resize in Android

http://stackoverflow.com/questions/3219672/memory-efficient-image-resize-in-android

Constrain to given size but keep aspect ratio float scaleFactor Math.min float width imgWidth float height imgHeight Matrix.. height imgHeight Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap image.. Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap image 0 0 imgWidth..

How to find absolute position of click while zoomed in

http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in

CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let.. float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor..

Clickable area after Scaling with respect to positions of touch event? [duplicate]

http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event

CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let.. float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor..

Android: Notify Scrollview that it's child's size has changed: how?

http://stackoverflow.com/questions/9993179/android-notify-scrollview-that-its-childs-size-has-changed-how

imageView.getLayoutParams params.width int startX scaleFactor params.height int startY scaleFactor imageView.setLayoutParams.. int startX scaleFactor params.height int startY scaleFactor imageView.setLayoutParams params ... scrollView.scrollBy scrollX..

Android - zoom in/out RelativeLayout with spread/pinch

http://stackoverflow.com/questions/10013906/android-zoom-in-out-relativelayout-with-spread-pinch

mScaleFactor mScaleFactor mPivotX mPivotY super.dispatchDraw canvas canvas.restore public void scale float scaleFactor float pivotX float pivotY mScaleFactor scaleFactor mPivotX pivotX mPivotY pivotY this.invalidate public void restore mScaleFactor.. super.dispatchDraw canvas canvas.restore public void scale float scaleFactor float pivotX float pivotY mScaleFactor scaleFactor mPivotX pivotX mPivotY pivotY this.invalidate public void restore mScaleFactor 1 this.invalidate My implementation of the..

Detect 7 inch and 10 inch tablet programmatically

http://stackoverflow.com/questions/15055458/detect-7-inch-and-10-inch-tablet-programmatically

in the form of a scale factor for the device which is based on the Android Design Resources for mdpi hdpi etc. float scaleFactor metrics.density From this result we can calculate the amount of density independent pixels there are for a certain height.. calculate the amount of density independent pixels there are for a certain height or width. float widthDp widthPixels scaleFactor float heightDp heightPixels scaleFactor The result you get from this will help you decide what type of screen you are working.. pixels there are for a certain height or width. float widthDp widthPixels scaleFactor float heightDp heightPixels scaleFactor The result you get from this will help you decide what type of screen you are working with in conjunction with the Android..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

Drawable d int width Activity cxt BitmapDrawable bd BitmapDrawable d double oldWidth bd.getBitmap .getWidth double scaleFactor width oldWidth int newHeight int d.getIntrinsicHeight scaleFactor int newWidth int oldWidth scaleFactor Drawable drawable.. d double oldWidth bd.getBitmap .getWidth double scaleFactor width oldWidth int newHeight int d.getIntrinsicHeight scaleFactor int newWidth int oldWidth scaleFactor Drawable drawable new BitmapDrawable cxt.getResources MainScreen.getResizedBitmap.. double scaleFactor width oldWidth int newHeight int d.getIntrinsicHeight scaleFactor int newWidth int oldWidth scaleFactor Drawable drawable new BitmapDrawable cxt.getResources MainScreen.getResizedBitmap bd.getBitmap newHeight newWidth BitmapDrawable..

Rotate MapView in Android

http://stackoverflow.com/questions/1830391/rotate-mapview-in-android

Canvas canvas canvas.save if compass final float w this.getWidth final float h this.getHeight final float scaleFactor float Math.sqrt h h w w Math.min w h final float centerX w 2.0f final float centerY h 2.0f canvas.rotate bearing centerX.. w h final float centerX w 2.0f final float centerY h 2.0f canvas.rotate bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw canvas canvas.restore android google maps map rotation android mapview.. final float centerX w 2.0f final float centerY h 2.0f canvas.rotate bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw canvas canvas.restore android google maps map rotation android mapview share improve..

Memory efficient image resize in Android

http://stackoverflow.com/questions/3219672/memory-efficient-image-resize-in-android

null opt int imgWidth image.getWidth int imgHeight image.getHeight Constrain to given size but keep aspect ratio float scaleFactor Math.min float width imgWidth float height imgHeight Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final.. ratio float scaleFactor Math.min float width imgWidth float height imgHeight Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap image 0 0 imgWidth imgHeight scale false image.recycle It looks.. scaleFactor Math.min float width imgWidth float height imgHeight Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap image 0 0 imgWidth imgHeight scale false image.recycle It looks like the OOM..

How to find absolute position of click while zoomed in

http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in

mCenterX mCenterY return true The scale function of the CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor Math.max.. of the CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor Math.max MINIMUM_SCALE_VALUE Math.min mScaleFactor 5.0f mCenterScaleX..

Clickable area after Scaling with respect to positions of touch event? [duplicate]

http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event

mCenterX mCenterY return true The scale function of the CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor Math.max.. of the CustomImageView look like this public boolean scale float scaleFactor float focusX float focusY mScaleFactor scaleFactor Don't let the object get too small or too large. mScaleFactor Math.max MINIMUM_SCALE_VALUE Math.min mScaleFactor 5.0f mCenterScaleX..

Android: Notify Scrollview that it's child's size has changed: how?

http://stackoverflow.com/questions/9993179/android-notify-scrollview-that-its-childs-size-has-changed-how

LinearLayout.LayoutParams params LinearLayout.LayoutParams imageView.getLayoutParams params.width int startX scaleFactor params.height int startY scaleFactor imageView.setLayoutParams params ... scrollView.scrollBy scrollX scrollY However no.. LinearLayout.LayoutParams imageView.getLayoutParams params.width int startX scaleFactor params.height int startY scaleFactor imageView.setLayoutParams params ... scrollView.scrollBy scrollX scrollY However no scrolling occurs when in the situation..